16 Best Keyword Research Tools: A Beginner's Guide 2021

Keyword research is a crucial element of modern SEO. Whether you’re kick-starting an old blog or developing your content strategy for a new one; good quality keywords are one of the most efficient ways to attract consistent, quality traffic to your site. We’ve compiled a list of some of the best keyword research tools to help you conquer your content.

The Best Keyword Research Tools

  1. Keyword Suggestion Tool JasaSEO.be
  2. KW Finder (Premium)
  3. SEMRush (Premium – Available On A 30 Day Free Trial)
  4. Ahrefs Keyword Explorer (Premium, Free Trial , 7$)
  5. Google Keyword Planner
  6. Long Tail Pro (Premium)
  7. Keywordtool.Io (Freemium)
  8. UberSuggest (Free Keyword Tool)
  9. Moz Keyword Explorer (Freemium)
  10. SERPStat Keyword Research Tool
  11. Majestic
  12. Screaming Frog SEO Spider
  13. KeywordRevealer
  14. Answer The Public (Free)
  15. Keywords Everywhere ( Paid)
  16. LSIGraph (Freemium)

Keyword Suggestion Tool JasaSEO.be (Free)

Keyword Suggestion Tool JasaSEO.be is a keyword research tool with a database of over 36 Billion search queries from over 200 search engines worldwide.

16 Best Keyword Research Tools: A Beginner's Guide 2021

Keywords Suggestion Tool Suggest Queries


# Suggest Queries
1 Keyword Research Tools
2 Keyword Research Tools Free
3 Keyword Research Tools Google
4 Keyword Research Tools 2021
5 Keyword Research Tools For Amazon
6 Keyword Research Tools For Youtube
7 Keyword Research Tools Benefits
8 Keyword Research Tools In Seo
9 Keyword Research Tool Ubersuggest

KW Finder (Premium)

KWfinder is a unique tool that works by using three different types of group ideas. It includes questions, autocompletes, and suggestions.

Data filtering is easier as compared to other tools.

Thanks to the accurately laid out search volume in an organic setup the KWFinder way gives you all the data that you expect.

KWFinder uses several tools, including Majestic and Moz, to determine the number of monthly searches for a keyword, find relevant related keywords, and define the difficulty in positioning.

Launched in 2014, the tool has improved considerably over the years and makes it possible to:

>to know the number of monthly searches for a keyword
>find variations of this keyword
>to know the difficulty to position oneself on a niche
>compare the metrics of the first 10 results

16 Best Keyword Research Tools: A Beginner's Guide 2021

Beyond the SEO point of view, KWFinder is a great tool for finding niche ideas and defining the keywords to work on.

This translates into relevant related keyword proposals, with a competitive score and the ability to analyze and compare the top 10 results of a given keyword quickly and easily.


  • Free starter plan
  • Affordable monthly subscription
  • Easy to use interface
  • Well-explained keyword difficulty score


  • Agency plan is expensive
  • Lack of competitor analysis tools

SEMRush (Premium – Available On A 30 Day Free Trial)

16 Best Keyword Research Tools: A Beginner's Guide 2021


SEMrush is like the Swiss Army Knife of SEO. Instead of producing a list of keywords, SEMrush suggests 5-10 very specific keywords that your competitors are already using.

Standout features

  • Uncover long-tail keywords and ad group ideas
  • Get yearly keyword trends
  • Worldwide CPC distribution statistics
  • Access to the complete keyword research toolkit
  • Keyword difficulty analysis and organic traffic insights


SEMrush hosts a 7-day free trial of the service. You do need to enter credit card details to get access to the trial, but there are no charges levied if you choose to cancel your subscription within the 7-day trial.

SEMrush has four different pricing plans. The best offers come with annual billing.

  • Pro – A plan for limited budget sites and freelancers, it starts at $83 per month and gets billed annually.
  • Guru – SEO agencies and small to mid-sized business will find the features in this plan perfect for the day-to-day management of content sites. Guru starts at $166 per month.
  • Business – It is ideal for eCommerce stores and agencies, and opens at $333 per month.
  • Enterprise – If you have an extensive content strategy, reaching beyond the capacity of the above solutions, SEMrush can custom fit a plan for your needs.

16 Best Keyword Research Tools: A Beginner's Guide 2021


  • SEMrush has some of the most detailed and innovative SEO metrics available
  • SEMrush shows you all the keywords you rank for
  • Integrates with Google Analytics AND Google Search Console


  • The free version is more for one-time tasks
  • Paid trial.

Ahrefs Keyword Explorer (Premium, Free Trial , 7$)

16 Best Keyword Research Tools: A Beginner's Guide 2021


Ahrefs is one of the best keyword research tools available for content creators today. The platform provides a broad keyword report to the user and relies on clickstream data to provide unique click metrics.

Standout features

  • Accurate keyword difficulty score
  • 1,000+ keyword suggestions
  • Supported in over 171 countries
  • Click metrics for improving CTR
  • Extensive SERP overview


Ahrefs has four pricing plans. The rates for freelancers, online marketers, mid-sized organizations, and bigger brands start at just $82 per month if you choose an annual payment plan.

They do have a trial offer ($7 for 7 days) on their Lite and Standard subscription plans.


  • In-depth SERP analysis
  • Accurate backlinks numbers
  • Advanced filtering
  • Keyword section includes clickstream data for more accurate


  • Low limits and restrictions on the regular plan
  • Keyword suggestions do not have a relevancy sore
  • No integration with Google Analytics or Search Console
 Future read:

Google Keyword Planner

16 Best Keyword Research Tools: A Beginner's Guide 2021

Google Keyword Planner is a simple option serving up a few basic features. Despite the lack of functionality, however, it’s one of the most accurate sources of keyword data on the market. The data comes directly from Google and the results integrate well with AdSense monetization.

Standout features

  • Locate commercial keywords using “top of page” bid range
  • Accurate search volume directly from Google’s search engine
  • Best choice for business websites


Google Keyword Planner is available for free.

Future read:

Long Tail Pro (Premium)

Long trial Pro is one of the premium tools for keywords research that has many benefits. You can find the right keywords to help boost organic traffic for your blog or website.

It lets you find keywords that remain undiscovered by the best tools on the market.

It needs access to your Google Adwords account, once accessed, Long Tail Pro looks for keywords that you might have missed.

This is the best tool to use if you want unique keywords for the blog. It is one of the best keyword searching tools with hundreds of results.

The keyword searching is based on the search volume, the PPC competitiveness, and the top ten pages ranking on Google.


  • Easy to use
  • Frequent specials available
  • Regularly updated
  • It offers you a ton of keywords for each seed keyword


  • Not much better than free alternatives
  • No cloud access so far
  • It is a bit slow as compared to its competitors

Keywordtool.Io (Freemium)

The Keywordtool.Io , which extracts Google's auto-suggestion results, offers a relatively extensive list of suggested keywords.

The free version can generate up to 750+ queries for each searched keyword. You can export the keyword generated.

The search is done on Google, Bing, Amazon, Youtube,  and the App store.  The search volume, the CPC and the keyword competition in Adwords generated keywords are in Pro version only.

16 Best Keyword Research Tools: A Beginner's Guide 2021

Keywordtool.io works by using Google Autocomplete for generating relevant long tail keywords for your topic.


  • It’s fast, easy & simple to use
  • It’s free to start with
  • Search for term Keywords using multiple platforms, countries & languages
  • 30-day money back guarantee


  • The free version only allows you to view the keywords
  • A bit Costly
  • Essential metrics are missing ( PPC or search volume )


To decide what is the best keywords research tools depends on many criterias:

  • Search Volume
  • Difficulty
  • Competitors

Future read:

UberSuggest (Free Keyword Tool)

Ubersuggest is another great  free keyword tool for beginners owned by  Neil Patel.

It helps you easily find a a number of keyword ideas.

16 Best Keyword Research Tools: A Beginner's Guide 2021

Ubersuggest searches by volume, SEO competition metrics,CPC, Negative keyword search and Related/lateral search.

Briefly, this program is an awesome, legit option I can recommend if you’re looking for free ways to find great and even decent KeyWord ideas.

Update: Additional features for this tool: keyword difficulty, Site Audit and backlinks.


  • Still free to use
  • Fast and accurate results
  • Tons of keyword ideas
  • Provides search volume and CPC


  • Doesn’t include features like competitive analysis so far.
  • Does not support other useful APIs like Amazon

Moz Keyword Explorer (Freemium)

The Moz Keyword Explorer serves up easy to use, out-of-the-box keyword recommendations. Moz’s SEO tool boasts all the features you’d expect from the very best keyword research tools, plus two very unique data points.

16 Best Keyword Research Tools: A Beginner's Guide 2021

Organic CTR score – This click-through rate demonstrates the number of clicks you’re expected to attract on page 1 of Google.

Priority score – The priority score is a mixture of all the individual factors a typical tool uses to suggest keyword options. It combines data on CTR, search volume, and keyword difficulty to help you select the best terms for your project.

Standout features

  • Get related keyword suggestions
  • Organic CTR and Priority score for smart targeting
  • Moz offers a one month trial period


Sign up for a free Moz account and get 10 free queries per month. The Keyword Explorer is not a standalone researching tool, to get full access to this useful little asset you will need to pay for the entire SEO suite. You can get the Moz keyword research features in the platform’s “Medium” plan, which starts at $179 a month with the option for a free 30-day trial.


  • Provides useful SEO metrics
  • Intuitive interface
  • Adding keywords to your list
  • Free Trial


  • Free version very Limited
  • Takes a long time to research each keyword
  • A bit overpriced

SERPStat Keyword Research Tool  

This  all-in-one tool contains four more modules covering Competitor Analysis, Site Audit, Backlink Analysis and Rank Tracking.

Serpstat shows you how to find keywords by displaying a full list of search results for a keyword along with extra data such as: organic keywords, the number of Facebook shares, and the potential traffic score for each separate page.

16 Best Keyword Research Tools: A Beginner's Guide 2021

The Tool will also allow you to compare your keywords to different performance indicators, such as search volume, cost-per-click, competition level or number of search results.

Serpstat defines your online competitors as websites that rank in Google’s top 20 results for the same keywords as your website.


  • Affordable SEO tool
  • The keyword tracking is great
  • The clean interface
  • Quality and on-demand support
  • Automated website monitoring


  • Only few Google search databases available
  • It's not the most accurate in keyword difficulty and authority ranking of competitor websites


This is the ultimate backlink analysis tool. In particular, it indicates how many links and domains point to your website.

The notion of Trust Flow, unique to Majestic, is a note that indicates the level of “trust” of a site based on the reputation of sites that make links.

16 Best Keyword Research Tools: A Beginner's Guide 2021

It also makes it possible to visualize the distribution and the types of anchors of a site.

Moreover, this tool also makes it possible to have a clear and fast vision of the themes of a site.


  • Chrome extension available
  • Trust Flow and Citation Flow
  • Strong backlink indexing
  • Links are grouped into types


  • Since it is not an all-in-one tool, many SEO features aren’t provided
  • User interface is outdated and user experience just average

Screaming Frog SEO Spider

Screaming Frog is a “crawler” (web analyzer).

This tool, which is widely used by developers and marketers, identifies the entire structure of a page and its SEO characteristics.

In addition to analyzing the number of H1 and H2, Screaming Frog analyzes the incoming and outgoing links on the structure of the URL.

In other words, this tool is great for detecting errors that are detrimental to good SEO. It allows to review its website and bring it closer to the concept “Google friendly”.

The SEO Spider is a desktop website crawler and auditor for PC, Mac or Linux which spiders websites’ links, images, CSS, script and apps like a search engine to evaluate onsite SEO.​


  • Generous free version
  • Reasonable license fees
  • Detailed scraping of metadata from every single page
  • Integration with Search Console for detailed analysis of pages


  • No cloud based option so far
  • Limited in its free version
  • The speed of crawls can be an issue if you have a large website.
  • Lack of Materials like videos/guides


This amazing tool will help you find hundreds of long tail keyword  in no time  with the amazing keyword research tool.

I will also allow you instantly revealing  the ranking difficulty and metrics for hundreds of keywords.

16 Best Keyword Research Tools: A Beginner's Guide 2021

Identify keywords with high search volume and low competition, you can also check domain availability for each term as well, which you can apply  to your SEO strategy & start ranking on page one.

Another cool  feature about this tool  that is similar to LongTailPro is the keyword brainstorming  that helps you discover uncovered long trail keywords.


  • It shows the keyword difficulty level (useful to decide if you should target a keyword or not)
  • It reveals  if EMD domains are available for each keywords
  • The interface at Keyword Revealer is easier to get started.


  • Limit of  keyword searches per day in basic plan
  • Returned keywords for each focus keywords is less than competitors

Answer The Public (Free)

Appeared in 2014, “Answer the public” automatically extracts from a keyword Google's autosuggestions by associating them with questions or prepositions.

The interface of Answer the public is particularly successful, with HTML5 animation. The typed keyword shows questions related to the search keyword.

This tool is really innovative compared to the classic extractors of Google Suggest.

16 Best Keyword Research Tools: A Beginner's Guide 2021


  • The tool returns questions that are actually asked to Google
  • The keywords proposed are not too numerous
  • Free to use


  • Visualizations are innovative but not good  in practice
  • Quite a few features

Keywords Everywhere ( Paid)

Free Keyword search volume for 15+ websites like Google Analytics, Google Search Console, Moz, Majestic, YouTube, Amazon & more.

16 Best Keyword Research Tools: A Beginner's Guide 2021

The Keywords Everywhere extension is a keyword research tool free,  that shows you useful google keyword search volume and cost per click data on multiple websites.

This tool saves you the hassle of copying data from various websites and using the google adwords keyword planner to see relevant search volume and cpc data.

I use Keywords Everywhere almost every day, especially when I want to find the SV/CPC/Competition of a small number of keywords


  • Very Affordable- Value For Money
  • Ease Of Use
  • Chrome and firefox extension


  • Limited features
  • Need other tool to get the big picture


When it comes to finding  keywords, the greatest tip you can get is to be patient and keep digging and digging.

The more you search and, the more you’ll uncover.

After you have collected all related keywords, organize them and develop your plan.

Optimize your site, and laten on  focus on your outreach plan.

Using these keywords, you will have the ability  to build the community that assists lead your site/blog to the right direction.

LSIGraph (Freemium)

A free tool, LSI Graph helps you find LSI keywords that emphasize the optimization of your content.

Simply enter your keyword in the search bar and you will receive a list of LSI keywords that you can use.

Note that you do not have to use them all.

Think about the intention of your user. All of these keywords do not match your goals or the needs of your buyer, so filter them wisely.

What are LSI keywords?

LSI keywords are essentially keywords related to the keywords that you are searching for, and Google does this by using a system known as LSI (Latent Semantic Indexing).

A lot of people think that LSI keywords are synonyms.

But this is incorrect. LSI keywords are simply words that are frequently found together because they share the same context.

16 Best Keyword Research Tools: A Beginner's Guide 2021


  • Clear interface
  • Simple to understand and use
  • Free to use
  • Fast


  • 3-searches daily limit unless you verify your account, 20 searches if you add your email
  • doesn’t do anything else other than suggesting keywords

Wrapping It Up Keyword Research Tools

Whether Free or Paid, there is no dearth of Keyword Research Tools.

It all boils down to what stage of Keyword Research you are at?

If you are looking for advanced sliced and diced data… you may look for an advanced Paid tool. In the other case, a free, average tool like (Google Keyword Planner) will do a good job.

Before you zeroed down to a single tool, it is always recommended to have a go at options and features to see which one fits your requirements better.


There are a lot of best free keyword research tools available these days. It can become a quite time-consuming and challenging task to find the right tool when creating your content.

We have tried  majority of these tools before  and we can conclude that :

If you are looking for an easy and free solution then I recommend Google Keyword Planner , ubersuggest, Moz and Keyword Suggestion tools JasaSAEO.be which I'm still using.

If you have a small budget, KWFinder is a long tail keyword research tool with a great interface. It shows you trend, search volume, CPC, and level of difficulty in results.

KWFinder also helps you dig into local keyword research – you can target your search results by city, state or country ..etc.

If you’re a professional and looking for advanced features, then you’ll want to get into a premium tool – SemRush. Agree, it’s pricey,  however the volume, accuracy of the data and competitive analysis would mean you’ll get a solid asset on your investment.


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